good morning, katie. >> good morning. we have a spare-the-air day and a freeze warning until 9:00 this morning. temperatures dropping below freezing in many north bay neighborhoods. in the mid-30s in san francisco. we still have a way to go until sunrise. more 20s and 30s, even mid-30s at the coast. by noontime another raw afternoon. the winds will be lighter today. low to mid-50s and 40s by noontime. by the afternoon still as much as 10 degrees below afternoon. we are looking at another freeze warning tonight into monday morning and possibly into tuesday. the good news is that our afternoon highs will be warming up day-to-day. details on that in a few minutes. katie. >> that sounds good. thank you. in the south by officials are working to save lives as the temperature drops low enough to create life-threatening conditions. at least four deaths have occurred this week throughout santa clara county. but to get people off the streets and into shelters is making a difference. we report from a san jose shelter protecting more